Cheap flights from St. Louis to Canada from C$ 159
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Canada departing on 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from St. Louis to Canada
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Canada?
In general, January is the cheapest month to fly from St. Louis to Canada. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 424. If you’re not able to fly to Canada in January, then April is your next best option. Flight prices from St. Louis to Canada during April average around C$ 426.
What is the cheapest day to depart on your flight to Canada?
Our data shows that Thursday is the least expensive day to fly to Canada. Tickets to fly out on this day can be as low as C$ 350. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around C$ 911. These prices are subject to change though, so be sure to set up a Price Alert for flights to Canada.
What is the cheapest time of day to depart on your flight to Canada?
According to our data, the cheapest time of day to fly to Canada is at noon. momondo users have found flights departing from St. Louis to Canada at noon for as low as C$ 582. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Canada, so prices are often more expensive at around C$ 767 per ticket.
What is the cheapest Lambert-St Louis to Canada flight route?
Fly from Lambert-St Louis to Montreal Pierre Elliott Trudeau Intl for the best Lambert-St Louis - Canada flight prices
How far in advance should I book a flight to Canada?
You are more likely to see cheaper flights to Canada from St. Louis when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Canada for around C$ 628 when searching 23 weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Canada from St. Louis for as low as C$ 300 on momondo.
What cabin class options are available on Lambert-St Louis to Canada flights?
There are 1 cabin classes available to choose from on Lambert-St Louis to Canada flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from St. Louis to Canada on average per day?
As of June 2025, 5 flights take off from St. Louis and land in Canada each day. The most common flight departure time for this route is 7:00a.m., with 66% of daily flights taking off in the afternoon.
How many flights depart from St. Louis to Canada on average per week?
The number of flights available between St. Louis and Canada is 37 per week as of June 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.
Cheap St. Louis to Canada flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Canada
When did momondo last update prices for flights from Lambert-St Louis Airport to Canada?
Prices for flights from Lambert-St Louis Airport to Canada are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Canada?
As of June 2025, there is 1 operator available to choose from for flights from Lambert-St Louis Airport to Canada.
How old do you have to be to fly from Lambert-St Louis Airport to Canada?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Canada.
What documentation or ID do you need to fly to Canada?
The travel and health documents you'll need for your trip to Canada may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Canada. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to Canada?
Based on momondo bookings for flights between St. Louis and Canada, the leading plane model is Canadair (Bombardier) Regional Jet 900, making up 50.00% of the total bookings. Other popular models include Airbus A220-300 with 28.61%, Airbus A330-300 with 7.71%, and Boeing 777-300ER with 1.74%.
Best airlines flying from St. Louis to Canada
Compare and see reviews for airlines that fly from St. Louis to Canada with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 296 | Free Cancellation | Rating 7.1 9,553 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from St. Louis to Canada?
It is quick and easy to find St. Louis to Canada flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Canada that suits you.
Can I find flights from St. Louis to Canada with flexible booking policies on momondo?
Yes. All flights to Canada from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from St. Louis to Canada?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Canada.
I’m not ready to book a flight from St. Louis to Canada right now. Can momondo alert me if prices change?
If you are not ready to book a flight from St. Louis to Canada now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Canada and let you know when they change.